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Archives for October 2020

Oct 05 2020

Anatomy of a Rug Pull

We saw this one coming a mile away: Apy.center was what is known as a “rug pull.” Investors saw the rug pulled out from under them, and, unless you were one of the early ones, your money is pretty much gone.

So…what happened?

I don’t think “.pull” is a TLD extension…

Step One: The Recruitment

It launched sometime early in the morning Friday, October 2, as a yield farm on steroids. In the interest of public service — we should note that we’ve done a few experiments like this during our three years blogging here — we decided to gamble what amounted to a family fast food meal on the Uniswap Pool behind $CAPY. We were also investing in a platform that was roughly 12 hours old.

We were 12 hours too late.

Here was the interest rate promised when we got in:

Not sustainable.

And here was the interest rate just two hours later:

Still not sustainable.

Step Two: The Contract’s 72-Hour Rule (i.e. The Setup)

This is where everyone who was recruited into this fast-growing pool saw stars in their eyes: your money is locked for 72 hours. You can’t get any of the gains out til then, so you have no choice but to watch and wait and hope and pray that the rug won’t get pulled out from under you.

New money was indeed flowing in, to the tune of a half-million TVL (total value locked) by Saturday morning (36 hours after launch).

Yeah, it’s a scam.

One of the fastest-growing Telegram channels we’ve ever seen served as an additional recruitment tool, with more money flowing in and, at around the same time of the above snapshot, interest rates promised that were still huge.

Rug Pull Imminent…

The clock/time bomb was ticking, but Sunday still saw huge POTENTIAL returns:

5pm, Central Time (US), APY

With the first investors just a few hours away from being able to take their investments out, it was just a matter of time. Here’s a TVL snapshot from Sunday evening, US Central Time:

It’s coming…

And here’s this morning’s post-rug-pull TVL snapshot (we slept in til 6:15, since we were powerless to stop any movement; our funds were locked so the only potential gains, all on paper, weren’t real):

That’s a big drop, eh?

AND, just moments ago, 9:25 a.m. Central Time in the US:

It keeps on dropping…

What Have We Learned?

Chasing quick returns? That’s human nature. Looking at nutty interest rates that seem impossible, you may have succumbed to the masses: “I want some of that.”

The creators of this mystery coin set it up in such a way that, while the code appeared to be air-tight, there was no possible way to make any money unless you were one of the first users. No one in their right mind was going to hold onto their gains for any longer than they had to, and the new money that went in was obviously going to pay the old money that was in first. The first few investors — who were likely also the creators of this coin — played psychology, word-of-mouth marketing, and the lure of insane, out-of-this-world returns to get new investors on board fast enough to ensure that maybe the first 5 investors were getting mass profits.

It’s a classic Ponzi scheme.

Again, DYOR, and Don’t Be Surprised if You Get #REKT.

Be careful out there, folks.

Written by David Van de Walle · Categorized: CAPY, Uncategorized · Tagged: bitconnect, rekt, rug pull

Oct 01 2020

More DeFi Food: A Deep Dive into (A Plate Full of) TACOs

Really, #DeFi developers, do all of these things HAVE TO BE NAMED AFTER FOOD?

Well, they don’t HAVE to be, but it appears that some of the more interesting concepts in DeFi (Decentralized Finance) actually are named after food. Like $TACO, a platform that we learned about when we were trading $SHRIMP and $SUSHI.

More Than a Cute Logo and a Clever Name

TACOs has turned their brand of deflationary token launch into a game. They have set aside a large chunk of the token supply to be burned: 6 percent of the Uniswap pool gets torched daily.

From taconomics.io

(Nobody likes to eat burned tacos, but…)

Hey, this does appear to be sorta clever: no more TACOs can be created, and the supply gets “crunched” so that your TACOs become more valuable over time.

It works like this, and we were able to confirm through a couple of “trades” of our own yesterday:

  1. You decide if you want to “crunch” the outstanding tokens and claim 10 percent of the amount being crunched;
  2. You pay the gas — we paid $3.12 on one of our transactions yesterday — and have to calculate whether the gas makes up for the value of the tokens;
  3. You make the transaction and see the 10 percent in your wallet.

But here’s where it gets interesting: you may decide that the gas price is totally worth it, despite only getting (in the above scenario) 42 tokens added to your balance. Given the recent price of just short of 7 cents per token, you’re paying a little more than $3 to get 42 tokens. SO you’ve covered your costs.

7 cents a token, eh?

In another case, when we decided to say “what the heck?,” we paid 10 cents a token for another 60. We think there’s potential with this platform — in fact, we did the math and the burn rate — or “crunch rate,” even “crunch rate supreme” — might mean that supply gets tremendously sliced over the next month.

Day 30, 6 million burned.

This means that on Day 30, $TACO has nearly half of its coins destroyed.

Only 8.4 million left on Day 30

OR…if you check the contract, you realize it’s not moving THAT quickly…

From Etherscan

It’s still early and there are some kinks to work out — and the website itself is a little murky on details. BUT, if you’re willing to play a game, and don’t mind the potential that you could be playing a game that could be worthless, spend a little time with a plate full of TACOs.

Written by David Van de Walle · Categorized: DeFi, Shrimp, Sushi, tacos

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